rudy
Moderator
I am setting up my Geryi piranha tank. Tank will be a 46 bowfront in my office. Been a while since I used a hang on the back filter however out of straight ease of use I was thinking of going with 2 emporer 400s. Are these still decent? Was going to go with acs but I hate the sponge thing and for the amount of bio that will be in that that tank I am more inclined to use a cartridge type filter. Thoughts?